Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847377 | Substituted-2,3-dihydro-6-substituted-pyrimido[2,1-F]-purine- 4,8(1H,9H)-diones | Daniel M. Solomon, David J. Conn | 1989-07-11 |
| 4816458 | Method of treating hyperploliferative skin disease with substituted-2,3-dihydro-6-substituted -pyrimido[2,1]-purine-4,8(1H,9H)diones | Daniel M. Solomon | 1989-03-28 |